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82 lines
1.8 KiB
82 lines
1.8 KiB
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/bus/nvidia,tegra210-aconnect.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: NVIDIA Tegra ACONNECT Bus |
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description: | |
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The Tegra ACONNECT bus is an AXI switch which is used to connnect various |
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components inside the Audio Processing Engine (APE). All CPU accesses to |
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the APE subsystem go through the ACONNECT via an APB to AXI wrapper. All |
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devices accessed via the ACONNNECT are described by child-nodes. |
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maintainers: |
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- Jon Hunter <[email protected]> |
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properties: |
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compatible: |
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oneOf: |
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- const: nvidia,tegra210-aconnect |
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- items: |
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- enum: |
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- nvidia,tegra186-aconnect |
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- nvidia,tegra194-aconnect |
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- const: nvidia,tegra210-aconnect |
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clocks: |
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items: |
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- description: Must contain the entry for APE clock |
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- description: Must contain the entry for APE interface clock |
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clock-names: |
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items: |
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- const: ape |
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- const: apb2ape |
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power-domains: |
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maxItems: 1 |
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"#address-cells": |
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const: 1 |
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"#size-cells": |
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const: 1 |
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ranges: true |
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patternProperties: |
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"@[0-9a-f]+$": |
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type: object |
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required: |
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- compatible |
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- clocks |
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- clock-names |
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- power-domains |
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- "#address-cells" |
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- "#size-cells" |
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- ranges |
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additionalProperties: false |
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examples: |
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- | |
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#include<dt-bindings/clock/tegra210-car.h> |
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aconnect@702c0000 { |
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compatible = "nvidia,tegra210-aconnect"; |
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clocks = <&tegra_car TEGRA210_CLK_APE>, |
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<&tegra_car TEGRA210_CLK_APB2APE>; |
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clock-names = "ape", "apb2ape"; |
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power-domains = <&pd_audio>; |
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#address-cells = <1>; |
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#size-cells = <1>; |
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ranges = <0x702c0000 0x702c0000 0x00040000>; |
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// Child device nodes follow ... |
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}; |
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...
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